Amazon.com: Mack's Maximum Protection Soft Foam Earplugs – 50 Pair, 33 dB Highest NRR – Comfortable Ear Plugs for Sleeping, Snoring, Loud Concerts, Motorcycles and Power Tools | Made in USA : Health & Household
MOLDEX PURA-FIT EARPLUGS, NRR 33 dB, BOX OF 200, UNCORDED
Howard Leight HL-QD-30 Quiet Reusable Foam Corded Earplug NRR 26
Walkers Replacement Sound Tube Earplug (NRR 22) - Game Ear Tip Variety Pack (1 Sound Tube with Universal Adapter Elbow, 1 Tip Foam, 1 Tip Silicone each in Small, Medium, and Large)